Answered: Boy 84 72 73 41 85 91 72 67 58…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

A doctor studies sets of fraternal twins, where one newborn is a boy, and the other is a girl. She believes that of these twins, the boy is heavier at birth than the girl. Here is the data, with the weight of each baby (in ounces)

Boy	84	72	73	41	85	91	72	67	58	74	54	62	71	48	91
Girl	82	65	77	39	71	87	80	60	55	80	46	57	66	48	83

Can the doctor say the boys are significantly heavier than the girls? (Use α = .01)

Solve by hand please (no excel).

Hypothesis testing will consist of four hypothesis tests which you need to complete. each test will require the following:

Type of Test:

Null Hypothesis:

Alternate Hypothesis:

Standard Error:

Test Statistic:

P-value:

Decision:

Sentence:

Please graph the answer on a graph (Solve p =, z =, etc)

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